// Thud - a dynamic object-oriented language
// Copyright (C) 2009,2010 David H. Hovemeyer <david.hovemeyer@gmail.com>

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

/*
 * InputStreamReader.cpp
 *
 *  Created on: Dec 25, 2009
 *      Author: dhovemey
 */

#include <memory>
#include "util/InputStream.h"
#include "util/FileInputStream.h"
#include "util/TextCoder.h"
#include "util/Utf8TextCoder.h"
#include "util/EOFException.h"
#include "util/InputStreamReader.h"

InputStreamReader::InputStreamReader(InputStream *inputStreamToAdopt)
	: m_in(inputStreamToAdopt)
	, m_coder(new Utf8TextCoder())
{

}

InputStreamReader::InputStreamReader(InputStream *inputStreamToAdopt, TextCoder *textCoderToAdopt)
	: m_in(inputStreamToAdopt)
	, m_coder(textCoderToAdopt)
{

}


InputStreamReader::~InputStreamReader()
{
	delete m_in;
	delete m_coder;
}

long InputStreamReader::readChar()
{
	return m_coder->decode(m_in);
}

InputStreamReader *InputStreamReader::readFile(const std::string &fileName)
{
	std::auto_ptr<FileInputStream> fileIn(new FileInputStream(fileName));
	InputStreamReader *reader = new InputStreamReader(fileIn.get());
	fileIn.release();
	return reader;
}
